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Other Assets
 9 Months Ended
Sep. 30, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
7. Other Assets
September 30,
2023		December 31,
2022
(in millions)
Prepaid expenses$11.5 $17.4 
Claims receivable11.2 9.0 
Lease right-of-use assets14.6 27.6 
Property and equipment35.1 5.4 
Other6.6 4.2 
Total other assets$79.0 $63.6 
On April 18, 2023, the Company closed on the purchase of an office building, which included certain real property, improvements, and personal property, located at 701 E. 5th Street, Austin, Texas 78701. The Company capitalized $30.5 million to building and land related to the purchase. The building is used as office space for employees of the Company and affiliated companies. Prior to the purchase, the Company was leasing a portion of the building and had recorded a lease right-of use asset and lease liability. After the purchase, the Company reclassified the right-of-use asset and adjusted the carrying value by the difference between the purchase price and the lease liability immediately before the purchase. The Company will depreciate the building over its estimated useful life of 39 years, except that land is not depreciated.